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Manafacture: Sony File size: 2.37 mb File name: Language of manual:

. If your computer is using battery power, make sure the battery pack is installed properly and is charged. See Using the Battery Pack (page 25) for more information. . If the display output is directed to the external display, press the Fn+F7 keys. See Combinations and Functions with the Fn Key (page 35) for more information. What should I do if no image is displayed on my TV screen or external display connected to the HDMI output port? Make sure you are using an HDCP-compliant display. The copyright protected contents are not displayed on a non-HDCP compliant display. See Connecting a Computer Display (page 96) for more information. 192nNTroubleshooting Why doesn't my screen display a video? . If the display output is directed to the external display and the external display is disconnected, you cannot display a video on your computer screen. Stop video playback, change the display output to the computer screen, and then restart video playback. See Selecting Display Modes (page 102) for changing the display output. Alternatively, you can press the Fn+F7 keys to change the display output. See Combinations and Functions with the Fn Key (page 35) for more information. . The video memory of your computer may be insufficient for displaying high resolution videos. In this case, lower the resolution of the LCD screen. To change the screen resolution, follow these steps: 1 Right-click on the desktop and select Personalize. 2 Click Display Settings. 3 Move the slider under Resolution to the left to reduce or to the right to increase the screen resolution. . You can check the total amount of the graphics and video memory available. Right-click on the desktop, select Personalize, and click Display Settings, Advanced Settings, and the Adaptor tab. The displayed value may be different from the actual amount of memory on your computer. What should I do if my screen is dark? Press the Fn+F6 keys to brighten your computer screen. Why does the LCD brightness fluctuate when I change it or place my computer back into Normal mode from Sleep mode? This may occur on models with the LED backlight when the LCD colors are calibrated and does not indicate a malfunction. 193nNTroubleshooting What should I do if the LCD brightness of my screen changes? The LCD brightness setting, adjusted with the Fn+F5/F6 keys, is temporary and may be restored to the original setting when your computer returns to Normal mode from Sleep or Hibernate mode. To save your preference for the brightness, follow these steps: 1 Right-click the power status icon on the taskbar and select Power Options. 2 Click Change plan settings under the current power plan. 3 Click Change advanced power settings. 4 Select the Advanced settings tab. 5 Double-click Display. 6 Adjust the LCD brightness setting in the item for brightness adjustment. What should I do if the external display remains blank? If you cannot change the display output with the Fn+F7 keys, you need to change the settings for...

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